op {
  name: "InitializeTableFromTextFile"
  input_arg {
    name: "table_handle"
    type: DT_STRING
    is_ref: true
  }
  input_arg {
    name: "filename"
    type: DT_STRING
  }
  attr {
    name: "key_index"
    type: "int"
    has_minimum: true
    minimum: -2
  }
  attr {
    name: "value_index"
    type: "int"
    has_minimum: true
    minimum: -2
  }
  attr {
    name: "vocab_size"
    type: "int"
    default_value {
      i: -1
    }
    has_minimum: true
    minimum: -1
  }
  attr {
    name: "delimiter"
    type: "string"
    default_value {
      s: "\t"
    }
  }
}
